CN214989175U - Low-melting-point binding and cutting equipment - Google Patents

Abstract

The utility model discloses a low melting point pricks rope cutting equipment, including the frame, one side of frame is provided with unwinding device, rotates in the frame to install and is used for dividing the low melting point film and is cut the device of cutting of low melting point film strip, and one side of cutting the device is installed and is used for carrying out the rewinding device of cutting of rewinding to the low melting point film strip, cuts the rewinding device and includes the inflation rewinding roller of rotating to install in the frame, and the cover is equipped with on the inflation rewinding roller cuts the rewinding roller, the utility model discloses overall structure simple structure, convenient to use can cut out the strip film of multiple width to can also divide the strip film and be cut into the low melting point to prick the rope, the length of rope is pricked to the effective control low melting point, improves the result of use to production efficiency is high.

Description

Low-melting-point binding and cutting equipment

Technical Field

The utility model discloses technical field, specific theory are cut to bundle rope relates to a low melting point is bundled and is cut equipment.

Background

Carbon black is as the main raw materials of rubber industry, and the carbon black packing needs to adopt the valve port bag to carry out the splendid attire, and the valve port bag is as a wrapping bag, and when packing the carbon black material, it carries out the feeding from the valve port of top or bottom, is the square body behind the filling material, and it is neat to have the heap package, and is pleasing to the eye, and packing efficiency is high, and the transportation is convenient, advantages such as breakage rate is low.

The valve bag is made of the low-melting-point packaging film in the prior art, the low-melting-point packaging film has good compatibility with rubber, and the carbon black can be prevented from causing leakage to the bag body due to swelling deformation, so that the valve bag made of the low-melting-point packaging film can be directly put into rubber mixing equipment along with the carbon black, the bag body is made to participate in the smelting of the rubber, the packaging bag waste cannot be generated, and the using effect is improved.

However, the valve ports of the existing valve bags need to be bound, and the existing binding method adopts a binding rope to bind, but the binding rope cannot be put into the rubber mixing equipment together with the valve bags, so when the material is put into the rubber mixing equipment, the binding rope needs to be untied, then the material is put into the rubber mixing equipment to mix rubber, the using effect is low, and the binding rope is treated as waste, so that the resource waste is caused.

In order to solve the problems, in the prior art, the low-melting-point packaging film is cut into strips and then bundled by the strip-shaped low-melting-point packaging film, and in the prior art, the low-melting-point packaging film is cut manually, so that the overall cutting speed is low, and the use effect is reduced.

A film splitter is also available on the market; as patent numbers: CN202020602049.5 discloses a tie up special cutting machine of membrane, which comprises a frame, feeding device has set gradually according to the trend of film in the frame, cut the device, the rewinding unit, it is used for cutting the raw materials film to cut the device, the rewinding unit sets up the top at the device of cutting, the rewinding unit is used for rewinding the film of accomplishing of cutting, this current film cutting machine can carry out the accurate cutting to the film according to the requirement that the size was cut to the film, and cut the size error within 0.05mm, can improve and cut precision and cutting effect, and the slitting blade can freely adjust the interval, and then can be applicable to multiple requirement of cutting.

But this kind of current film splitter can only be cut into the strip with the film branch, and this banding film is deposited for whole book, consequently can not the effective control strip film's length, and then reduces the result of use, and it is inconvenient to use, and when using this whole roll of banding film, need the staff manual branch to this strip film to be cut into regulation length, seriously reduces the practicality, improves intensity of labour greatly, and it is inconvenient to use, and this current film splitter whole degree of automation is low, and it is inconvenient to use, reduces the practicality.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use can cut out the strip film of multiple width to can also divide the strip film and be cut into the low melting point and prick the rope, the length of rope is pricked to the effective control low melting point, improves the result of use, and the low melting point that production efficiency is high is pricked rope cutting equipment.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a low melting point pricks rope cutting equipment, includes the frame, and one side of frame is provided with unwinding device, rotates in the frame to install to be used for dividing the low melting point film and is cut into the device of cutting of low melting point film strip, and the rewinding unit that cuts that is used for carrying out the rewinding to the low melting point film strip is installed to one side of cutting the device, cuts the rewinding unit and includes the inflation rewinding roller of rotation installation in the frame, and the cover is equipped with on the inflation rewinding roller and cuts the rewinding roller.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

and a driving motor is distributed at one end of the expansion rewinding roller, and the power output end of the driving motor is in transmission connection with one end of the expansion rewinding roller.

Further optimization: the driving motor is rotatably installed on the rotating seat, the rotating seat is installed on the supporting seat, and the supporting seat is fixedly installed on the rack.

Further optimization: and a clamping component is arranged at the position, corresponding to one end of the expansion rewinding roller far away from the driving motor, on the rack and is used for clamping the expansion rewinding roller to position the expansion rewinding roller.

Further optimization: the slitting rewinding roller comprises a rewinding roller body, a central hole is formed in the rewinding roller body, and the slitting rewinding roller is sleeved on the expansion rewinding roller through the central hole.

Further optimization: the outer surface of the rewinding roller main body is provided with a sliding groove along the axial direction of the rewinding roller main body, a cutting blade is connected in the sliding groove in a sliding mode, and a linear moving assembly used for supporting the cutting blade to move along the axis of the rewinding roller main body is movably mounted in the rewinding roller main body.

Further optimization: a slide way is arranged below the chute in the rewinding roller body, the slide way is arranged in parallel with the chute, and the slide way is communicated with the chute.

Further optimization: the linear moving assembly comprises a sliding block which is slidably mounted in the slide way, a blade mounting seat is fixedly connected above the sliding block, the cutting blade is fixedly mounted on the blade mounting seat, a push-pull rod is fixedly mounted on one side of the sliding block, and the other end of the push-pull rod penetrates through one end face of the rewinding roller main body and is fixedly connected with a push-pull handle.

Further optimization: the slitting device comprises a blade mounting shaft and a cutter pillow roller which are arranged in parallel, the two ends of the blade mounting shaft and the two ends of the cutter pillow roller are respectively connected with the frame, a plurality of slitting cutter assemblies are movably arranged on the blade mounting shaft at intervals in sequence, and two compression rollers are symmetrically arranged on the two sides of the cutter pillow roller.

Further optimization: the unwinding device comprises unwinding supports arranged at two sides of the frame, and unwinding expansion rollers are rotatably connected to the upper ends of the two unwinding supports.

The above technical scheme is adopted in the utility model, think about ingeniously, rational in infrastructure, can cut the low melting point film, make the low melting point film branch cut into the low melting point film strip, then be used for carrying out the rewinding to the low melting point film strip through cutting the rewinding device, then can cut to be the low melting point to roll up the low melting point film strip through cutting the cutting blade on the rewinding device and prick the rope, facilitate the use, and it can be used for tying up the valve pocket to prick the rope through this low melting point, facilitate the use, and this low melting point pricks the rope and adopts the low melting point film to make, the compatibility of its low melting point film and rubber is good, and then make this low melting point prick the rope can drop into together with the carbon black and smelt in the gluey equipment, and this low melting point pricks rope can be rapid melting in the rubber and not influence the performance of rubber, and then can not produce packing rubbish when making its use, be an environmental protection green product.

The low-melting-point binding rope cutting equipment is stable in overall size and strong in tensile force of the low-melting-point binding rope after cutting, is produced in a cutting mode, is high in production efficiency, is stable in melting point, can be directly thrown into a rewinding roller to be melted, determines the overall length of the low-melting-point binding rope through cutting the circumference of the outer surface of the rewinding roller, is convenient to use, enables products to have a wide market, and has good economic benefits.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a top view of the overall structure in an embodiment of the invention;

fig. 3 is a schematic structural view of a slitting device in an embodiment of the present invention;

fig. 4 is a schematic structural view of a slitting and rewinding roller in the embodiment of the present invention;

fig. 5 is a sectional view taken along the line a-a in fig. 4.

In the figure: 1-a frame; 2, an unwinding device; 21-unwinding a support; 22-unwinding expansion roller; 3-a slitting device; 31-a cutter pillow roller; 32-blade mounting shaft; 33-a pressure roller; 34-a mounting seat; 35-slitting blade; 36-a knife slot; 4-slitting and rewinding device; 41-expansion rewinding roller; 42-slitting rewinding rollers; 43-a drive motor; 44-a rotating seat; 45-supporting seat; 46-a snap-fit seat; 47-a clamping position; 48-a clamping block; 49-rewinding roller body; 411-a central bore; 412-a chute; 413-a slide; 414 — a slider; 415-a blade mount; 416-a cutting blade; 417-a push-pull rod; 418-push-pull handle; 5-a film-drawing roller; 6-driving roll; 7-a driven roller; 8-driving the cylinder.

Detailed Description

Example (b): referring to fig. 1-5, a low-melting-point binding rope cutting device comprises a frame 1, wherein an unwinding device 2 is arranged on one side of the frame 1, a slitting device 3 for slitting a low-melting-point film into low-melting-point film strips is rotatably mounted on the frame 1, a slitting rewinding device 4 for rewinding the low-melting-point film strips is mounted on one side of the slitting device 3, the slitting rewinding device 4 comprises an expansion rewinding roller 41 rotatably mounted on the frame 1, and a slitting rewinding roller 42 is sleeved on the rewinding roller 41.

Design like this, can place the low melting point film book of waiting to cut at unwinding device 2, unwinding device 2 supports the low melting point film book and rotates and realize unreeling, feed, then walks around cutting device 3 in proper order with the free end of low melting point film strip book and fixes on cutting rewinding unit 4, cuts device 3 this moment and can cut the low melting point film, makes the low melting point film divide and is cut into the low melting point film strip, cut rewinding unit 4 work and be used for rewinding low melting point film strip.

The expansion rewinding roller 41 is an inflatable shaft, and the expansion rewinding roller 41 is driven by a driving assembly to rotate.

The driving assembly comprises a driving motor 43 arranged at one end of the expansion rewinding roller 41, and the power output end of the driving motor 43 is in transmission connection with one end of the expansion rewinding roller 41.

The driving motor 43 outputs power to drive the expansion rewinding roller 41 to rotate, and the expansion rewinding roller 41 rotates to drive the slitting rewinding roller 42 to rotate.

The driving motor 43 is rotatably mounted on a rotary seat 44, the rotary seat 44 is mounted on a supporting seat 45, and the supporting seat 45 is fixedly mounted on the machine frame 1.

The supporting seat 45 and the rotating seat 44 are used for supporting and installing the driving motor 43, so that the driving motor 43 is rotatably installed on the machine frame 1.

With such a design, the rotating base 44 can support the driving motor 43 to rotate along the axis of the rotating base 44, and further can drive the expansion rewinding roller 41 to swing along the axis of the rotating base 44, so that one end of the expansion rewinding roller 41 far away from the driving motor 43 can move towards the two sides close to or far away from the rack 1.

A clamping component is arranged at a position, corresponding to one end, far away from the driving motor 43, of the expansion rewinding roller 41 on the rack 1, and is used for clamping one end, far away from the driving motor 43, of the expansion rewinding roller 41, so that the position of the expansion rewinding roller 41 is positioned.

After the clamping assembly clamps one end of the expansion rewinding roller 41 far away from the driving motor 43, the axis of the expansion rewinding roller 41 is parallel to the axis of the slitting device 3, so that the low-melting-point film strips which are slit and rewound can be conveniently carried out.

The joint subassembly includes joint seat 46, be provided with joint position 47 in the joint seat 46, the top activity of joint position 47 is provided with joint piece 48, install the joint drive assembly that is used for driving joint piece 48 and reciprocates on the joint seat 46.

The cross section of the clamping seat 46 is in a C shape, and an opening communicated with the clamping position 47 is formed in the clamping seat 46.

The clamping driving assembly drives the clamping block 48 to move up and down, so that the size of the clamping position 47 can be reduced or enlarged, and the end, far away from the driving motor 43, of the expansion rewinding roller 41 can be clamped at the clamping position 47.

The end of the expansion rewinding roller 41 remote from the drive motor 43 is rotatably connected with a bearing seat which can be placed in a clamping position 47.

At this time, the clamping driving assembly driving clamping block 48 is close to the bearing seat and can be used for clamping the bearing seat in the clamping position 47, so that the end, far away from the driving motor 43, of the expansion rewinding roller 41 is clamped at the clamping position 47, and the use is convenient.

Joint drive assembly includes the threaded rod of threaded connection on joint seat 46, joint seat 46 and fixedly connected with hand wheel are run through to the upper end of threaded rod, the lower extreme and the joint piece 48 rotation of threaded rod are connected.

Design like this, can drive the threaded rod when rotating the hand wheel and rotate, threaded rod and joint seat 46 threaded connection, and then can make the threaded rod reciprocate, the threaded rod reciprocates and drives joint piece 48 and reciprocate, realizes that joint inflation rewinding roller 41 keeps away from the one end of driving motor 43, facilitates the use.

The slitting rewinding roller 42 comprises a rewinding roller body 49, a central hole 411 is formed in the rewinding roller body 49, the diameter of the inner surface of the central hole 411 is larger than that of the outer surface of the main body of the expansion rewinding roller 41, and the slitting rewinding roller 42 is sleeved on the expansion rewinding roller 41 through the central hole 411.

The expansion rewinding roller 41 is an inflatable shaft, the diameter of the outer surface of the expansion rewinding roller 41 can be increased when the expansion rewinding roller 41 works, at the moment, the outer surface of the expansion rewinding roller 41 is tightly connected with the inner surface of the central hole 411, and therefore the slitting rewinding roller 42 is fixedly arranged on the expansion rewinding roller 41.

The circumference of the outer surface of the rewinding roller body 49 is larger than or equal to the length of the set low-melting-point binding rope.

By adopting the design, the expansion rewinding roller 41 drives the slitting rewinding roller 42 to rotate, so that the slit low-melting-point film strips can be rewound, and then the slit low-melting-point film strips are rewound on the outer surface of the rewinding roller body 49.

At the moment, the low-melting-point film strips rewound on the rewinding roller body 49 are cut along the axial direction of the rewinding roller body 49, so that the independent strip-shaped low-melting-point binding rope can be obtained, and the use is convenient.

And the circumference of the outer surface of the rewinding roller body 49 is larger than or equal to the length of the set low-melting-point binding rope, so that the low-melting-point binding rope which is cut completely meets the set length requirement, and the use is convenient.

In this embodiment, the diameter of the inner surface of the central hole 411 is 75mm, and the diameter of the outer surface of the rewinding roller body 49 is 160 ± 1 mm.

Therefore, the minimum length of the low-melting-point binding rope which is rewound and slit by the slitting rewinding roller 42 is 502.4-505.54mm, and therefore, the minimum length of the low-melting-point binding rope which is slit meets the bundling requirement, and the low-melting-point binding rope which is slit meets the bundling requirement.

The outer surface of the rewinding roller main body 49 is provided with a chute 412 along the axial direction of the rewinding roller main body 49, a cutting blade 416 is connected in the chute 412 in a sliding mode, and a linear moving assembly used for supporting the cutting blade 416 to move along the axial line of the rewinding roller main body 49 is movably installed in the rewinding roller main body 49.

A slideway 413 is arranged in the rewinding roller main body 49 and below the chute 412, the slideway 413 is arranged in parallel with the chute 412, and the slideway 413 is communicated with the chute 412.

The linear moving component comprises a sliding block 414 which is slidably installed in the sliding channel 413, and a blade installation seat 415 is fixedly connected above the sliding block 414.

The blade mount 415 is slidably connected to an inner wall of the slide groove 412, and the cutting blade 416 is fixedly mounted on the blade mount 415.

The sliding block 414 moves along the slide 413 and can drive the blade mounting seat 415 to move, the blade mounting seat 415 moves to drive the cutting blade 416 to move linearly along the outer surface of the rewinding roller main body 49, and then the low-melting-point film strips rewound on the rewinding roller main body 49 can be cut and cut through the cutting blade 416, so that the low-melting-point binding rope is prepared, and the use is convenient.

The end of the cutting blade 416 remote from the blade mount 415 is positioned above the outer surface of the rewind roll body 49.

The cutting blade 416 is spaced from the outer surface of the rewind roll body 49 by the maximum rewind diameter at the end thereof remote from the blade mount 415.

By the design, the maximum rewinding diameter can be set, and the low-melting-point film strips finished by rewinding can be conveniently cut and slit.

And when the diameter of the outer surface of the low-melting-point film roll after rewinding is larger than the maximum rewinding diameter, the cutting blade 416 cannot completely cut and slit the low-melting-point film roll, so that the diameter of the outer surface of the low-melting-point film roll after rewinding is smaller than the maximum rewinding diameter.

A push-pull rod 417 is fixedly mounted on one side of the sliding block 414, and the other end of the push-pull rod 417 penetrates through one end face of the rewinding roller body 49 and is fixedly connected with a push-pull handle 418.

Due to the design, the push-pull rod 417 can be driven to move by pushing or pulling the push-pull handle 418, and the slide block 414 can be driven to move along the slide 413 by the movement of the push-pull rod 417, so that the use is convenient.

A plurality of linear bearings are mounted on the outer surface of the sliding block 414, and the linear bearings are slidably connected with the inner surface of the sliding channel 413.

By adopting the design, the outer surface of the sliding block 414 can be connected with the inner surface of the sliding channel 413 in a sliding manner through the linear bearing, and the sliding block 414 can move more stably and is convenient to use through the linear bearing.

Cut device 3 and include parallel arrangement's blade installation axle 32 and sword pillow roller 31, the both ends of blade installation axle 32 and sword pillow roller 31 are connected with frame 1 respectively, the activity is provided with a plurality of cutter subassemblies that divide in proper order at intervals on the blade installation axle 32, the bilateral symmetry of sword pillow roller 31 has been laid and is used for two pinch rolls 33.

The compression roller 33 is a rubber roller, the outer surface of the compression roller 33 is in contact with the outer surface of the pillow knife roller 31, and the low-melting-point film can be conveyed to move through the space between the compression roller 33 and the pillow knife roller 31, so that the use is convenient.

And the outer surface of the knife rest roller 31 of the compression roller 33 is contacted, and then the low-melting-point film can be pressed on the knife rest roller 31 through the compression roller 33, so that the contact area between the film and the knife rest roller 31 is increased, and the use is convenient.

The gap between two adjacent slitting knife assemblies is the slitting width.

In this embodiment, the gap between two adjacent slitting knife assemblies is 2-5 cm.

The two ends of the blade mounting shaft 32 are respectively connected with the rack 11, and the blade mounting shaft 32 is used for supporting and mounting a slitting knife assembly.

The slitting knife assembly comprises a mounting seat 34, and a slitting blade 35 is detachably arranged at the front end of the mounting seat 34.

The mounting seat 34 is connected with the blade mounting shaft 32 in a sliding mode, and one end, far away from the mounting seat 34, of the slitting blade 35 is in contact with the knife rest roller 31.

By the design, the mounting seat 34 can be used for supporting and mounting the slitting blades 35, the mounting seat 34 is connected with the blade mounting shaft 32 in a sliding mode, and when the mounting seat 34 moves relative to the blade mounting shaft 32, the distance between two adjacent slitting blades 35 can be adjusted, so that the slitting width of the low-melting-point film can be adjusted.

When the film slitting machine is used, a film to be slit is fed onto the slitting device 3 through the unwinding device 2, the film is clamped between the knife pillow roller 31 and the pressing roller 33 at the moment, the bottom surface of the film can be closely attached to the outer surface of the knife pillow roller 31, the upper surface of the film is in contact with the slitting blade 35 at the moment, and the film can be slit into required sizes through the slitting blade 35 when the film is driven by migration.

The outer surface of the cutter pillow roller 31 is provided with a plurality of annular cutter grooves 36, and the cutter grooves 36 are respectively and uniformly distributed at intervals along the axial direction of the cutter pillow roller 31.

The end of the slitting blade 35 remote from the mounting seat 34 is disposed in the knife groove 36 of the knife rest roller 31.

By the design, the cutter grooves 36 can be used for limiting the axial position of the slitting blade 35 on the cutter pillow roller 31, so that the slitting blade 35 is more stable, deviation can not occur, the slit strip-shaped film is more regular, and the quality and the effect of slitting the film are improved.

The mounting seat 34 is fixedly connected with the blade mounting shaft 32 through a bolt assembly, and then the bolt assembly can be used for limiting the position of the mounting seat 34 on the blade mounting shaft 32, so that the use is convenient.

The unreeling device 2 comprises unreeling supports 21 arranged at two sides of the frame 1, and unreeling expansion rollers 22 are rotatably connected to the upper ends of the unreeling supports 21.

The unwinding expansion roller 22 is an inflatable tube, and when high-pressure gas is introduced into the unwinding expansion roller 22, the diameter of the outer surface of the unwinding expansion roller 22 can be increased.

Design like this, can place the low melting point film book of waiting to cut on unreeling expansion roller 22, unreel expansion roller 22 work this moment and can be used to support low melting point film book and rotate, facilitate the use.

In this embodiment, in order to guide the low-melting-point film to move conveniently, a plurality of film guiding rollers 5 can be further arranged between the unwinding device 2 and the slitting device 3 on the machine frame 1, the two ends of the film guiding rollers 5 are rotatably connected to the machine frame 1, and the film guiding rollers 5 are used for guiding the low-melting-point film to move and are convenient to use.

A traction roller assembly is arranged between the slitting device 3 and the slitting rewinding device 4, the traction roller assembly comprises a driving roller 6 and a driven roller 7 which are arranged vertically in parallel, and two ends of the driving roller 6 are respectively rotatably connected with the rack 1.

And two ends of the driven roller 7 are respectively and fixedly connected with a movable driving component, and the movable driving component drives the driven roller 7 to be close to or far away from the driving roller 6.

When the driven roller 7 is close to the driving roller 6, the distance between the driven roller 7 and the driving roller 6 can be reduced, so that the low-melting-point film can be clamped, at the moment, the driving roller 6 rotates to drive the low-melting-point film to move, the low-melting-point film is pulled to move, and the film is convenient to use.

The frame 1 is provided with a driving motor (not shown in the figure) for driving the driving roller 6 to rotate, and the power output end of the driving motor is in transmission connection with one end of the driving roller 6.

The driving motor is prior art, and the driving connection of the driving motor and the driving roll 6 is also prior art.

The driving motor can drive the driving roller 6 to rotate by working output power, and the use is convenient.

The movable driving assembly comprises driving cylinders 8 fixedly mounted at two ends of the driven roller 7, and mounting ends of the driving cylinders 8 are fixedly mounted on the frame 1.

By the design, the driven roller 7 can be driven to move by the output power of the driving air cylinder 8, and the driven roller 7 can move towards the two sides close to or far away from the driving roller 6 at the moment, so that the use is convenient.

When the low-melting-point film rewinding machine is used, firstly, a low-melting-point film roll to be slit is placed on the unwinding expansion roller 22 of the unwinding device 2, the unwinding device 2 supports the low-melting-point film roll to rotate to realize unwinding and feeding, then the free end of the low-melting-point film roll sequentially bypasses the slitting device 3 and is fixed on the slitting rewinding device 4, the slitting device 3 can slit the low-melting-point film, the low-melting-point film is divided into low-melting-point film strips, and the slitting rewinding device 4 works to rewind the low-melting-point film strips.

After the slitting and rewinding device 4 rewinds the low-melting-point film strip, the clamping blocks 48 can be released, and at this time, the expansion rewinding roller 41 and the slitting rewinding roller 42 swing along the axis of the rotating base 44.

After the swelling rewinding roller 41 and the slitting rewinding roller 42 swing to a proper position, a user can push or pull the push-pull handle 418 to drive the push-pull rod 417 to move, the push-pull rod 417 can move to drive the cutting blade 416 to linearly move along the outer surface of the rewinding roller main body 49 through the sliding block 414 and the blade mounting seat 415, and at the moment, the cutting blade 416 can cut and slit the low-melting-point film strips rewound on the rewinding roller main body 49, so that the low-melting-point binding rope is prepared, and the use is convenient.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (10)

1. The utility model provides a low melting point ligature cutting equipment, includes frame (1), its characterized in that: one side of frame (1) is provided with unwinding device (2), rotates in frame (1) and installs and be used for dividing the low melting point film and cut into cutting device (3) of low melting point film strip, and one side of cutting device (3) is installed and is used for carrying out the rewinding cutting rewinding unit (4) of rewinding to the low melting point film strip, cuts rewinding unit (4) including rotating expansion rewinding roller (41) of installing in frame (1), and the cover is equipped with on expansion rewinding roller (41) and cuts rewinding roller (42).

2. The low melt binder cutting apparatus of claim 1, wherein: a driving motor (43) is arranged at one end of the expansion rewinding roller (41), and the power output end of the driving motor (43) is in transmission connection with one end of the expansion rewinding roller (41).

3. A low melt binder cutting apparatus as claimed in claim 2, wherein: the driving motor (43) is rotatably arranged on the rotating seat (44), the rotating seat (44) is arranged on the supporting seat (45), and the supporting seat (45) is fixedly arranged on the rack (1).

4. A low melt binder cutting apparatus according to claim 3 wherein: a clamping component is arranged at the position, corresponding to one end, far away from the driving motor (43), of the expansion rewinding roller (41) on the rack (1), and the clamping component is used for clamping the expansion rewinding roller (41) to position the expansion rewinding roller.

5. The low melt binder cutting apparatus of claim 4 further comprising: the slitting rewinding roller (42) comprises a rewinding roller main body (49), a central hole (411) is formed in the rewinding roller main body (49), and the slitting rewinding roller (42) is sleeved on the expansion rewinding roller (41) through the central hole (411).

6. The low melt binder cutting apparatus of claim 5, wherein: a sliding groove (412) is formed in the outer surface of the rewinding roller main body (49) along the axial direction of the rewinding roller main body (49), a cutting blade (416) is connected in the sliding groove (412) in a sliding mode, and a linear moving assembly used for supporting the cutting blade (416) to move along the axis of the rewinding roller main body (49) is movably installed in the rewinding roller main body (49).

7. The low melt binder cutting apparatus of claim 6, wherein: a slideway (413) is arranged in the rewinding roller main body (49) and below the chute (412), the slideway (413) is arranged in parallel with the chute (412), and the slideway (413) is communicated with the chute (412).

8. The low melt binder cutting apparatus of claim 7 further comprising: the linear moving assembly comprises a sliding block (414) which is slidably installed in the sliding channel (413), a blade installation seat (415) is fixedly connected above the sliding block (414), a cutting blade (416) is fixedly installed on the blade installation seat (415), a push-pull rod (417) is fixedly installed on one side of the sliding block (414), and the other end of the push-pull rod (417) penetrates through one end face of the rewinding roller main body (49) and is fixedly connected with a push-pull handle (418).

9. The low melt binder cutting apparatus of claim 8, wherein: the slitting device (3) comprises a blade mounting shaft (32) and a knife pillow roller (31) which are arranged in parallel, the two ends of the blade mounting shaft (32) and the knife pillow roller (31) are respectively connected with the rack (1), a plurality of slitting cutter assemblies are movably arranged on the blade mounting shaft (32) at intervals in sequence, and two compression rollers (33) are symmetrically arranged on the two sides of the knife pillow roller (31).

10. The low melt binder cutting apparatus of claim 9 wherein: the unreeling device (2) comprises unreeling supports (21) arranged at two sides of the rack (1), and unreeling expansion rollers (22) are rotatably connected to the upper ends of the unreeling supports (21).

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